Forcible Entry No. 1 Questions taken from Jones & Bartlett Fundamentals of Fire Fighter Skills (3rd Edition) Progress Indicator: Question 3 of 20 3.  Your community has begun an aggressive patient education campaign to reduce the risk of stroke.  All EMS systems, hospitals, and medical personnel have been asked to participate.  You want to identify patients at the highest risk for stroke to enable you to target those most in need of intervention.  As you review the list of problems demonstrated by the patients you saw today, which of the following is the most powerful modifiable risk factor for stroke? (need help?) Choices: High blood sugar High blood potassium High blood sodium Untreated high blood pressure (hypertension)